2.2.7 Time and frequency measurements

State system for ensuring the uniformity of measurements. State verification schedule for means measuring time and frequency

Raters of GSM 900/1800 cellular mobile radio telephones. Methods of verification

On approval of requirements for tachographs installed on vehicles, categories and types of vehicles equipped with tachographs, rules for the use, maintenance and control of tachographs installed on vehicles

On approval of the Federal norms and rules in the field of industrial safety "Ensuring industrial safety in the organization of work at hazardous production facilities of the mining and metallurgical industry

State verification schedule for means measuring time and frequency